using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Inspired.Euler
{
    public static class Problem072
    {
        /// <summary>
        /// How many elements would be contained in the set of reduced proper fractions for <i>d</i> &le; 1,000,000?
        /// </summary>
        [EulerProblem(72, Title = "How many elements would be contained in the set of reduced proper fractions for <i>d</i> &le; 1,000,000?")]
        public static long Solve()
        {
            return 0;
        }
    }
}